@article{1256054462,
author = {Patterson, Richard R.},
title = {The Wang sequence for half-exact functors},
journal = {Illinois J. Math.},
volume = {11},
number = {4},
year = {1967},
pages = { 683-689},
language = {en},
url = {http://dml.mathdoc.fr/item/1256054462}
}
Patterson, Richard R. The Wang sequence for half-exact functors. Illinois J. Math., Tome 11 (1967) no. 4, pp. 683-689. http://gdmltest.u-ga.fr/item/1256054462/